P
US6410557B2ExpiredUtilityPatentIndex 39

Dry skin remedies

Assignee: DAIICHI PHARMACEUTICAL COL LTDPriority: Jan 14, 1999Filed: Jul 5, 2001Granted: Jun 25, 2002
Est. expiryJan 14, 2019(expired)· nominal 20-yr term from priority
Inventors:HAYASHI KEIJIARISAWA HIROHIKOMASUNAGA HIROAKI
A61P 17/00A61P 17/16C07D 497/20
39
PatentIndex Score
0
Cited by
10
References
3
Claims

Abstract

Novel dry skin remedies useful for treatment dry skin, containing as the active ingredient spiro [oxathiolane-quinuclidine] derivatives represented by general formula (I) or acid addition salts thereof, desirably cis-2-methylspiro [1,3-oxathiolane-5,3′-quinuclidine] hydrochloride. The remedies promote the secretion of sebaceous and sweat glands through oral or parenteral administration to treat dry skin, thus being useful as drugs.

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
       1. A therapeutic agent for the treatment of dry skin, comprising a compound represented by the following formula (I) or an acid addition salt thereof as an active ingredient;                    
       wherein, R 1  and R 2  may be the same or different, and each represents hydrogen, alkyl, cyclopentyl, cyclohexyl, aryl, or diarylmethilol groups or an alkyl group which is substituted by one or more aryl groups. 
     
     
       2. A therapeutic agent for the treatment of dry skin according to  claim 1 , wherein the acid addition salt is 2-methylspiro (1,3-oxathiolane-5,3′)quinuclidine hydrochloride. 
     
     
       3. A therapeutic agent for the treatment of dry skin according to  claim 2 , in which the 2-methylspiro (1,3-oxathiolane-5,3′)quinuclidine hydrochloride is a cis-isomer.

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